Question

What will happen to a ray of light when it passes from principal focus of a concave lens? ​

Answer 1

Answer:All the light rays after passing through the concave lens diverge and when produced backwards appear to meet at a point on the principal axis of the lens. This point is known as principal focus of a concave lens. Thus refracted rays appear to diverge from the focus. Concave lens is opposite to convex lens.

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Answer 2

Answer:

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